Skip Navigation
The Endowment for Human Development
The Endowment for Human Development
Improving lifelong health one pregnancy at a time.
Donate Now Get Free Videos

Movie Theater

Male and Female


11 weeks, 3 days

From The Biology of Prenatal Development.Buy Now

Script: Though sex is determined at fertilization, external genitalia can now be distinguished as male or female.

All ages referenced to fertilization, not last menstrual period.
See Snapshots   |   Log in to create a playlist
Nose and Lips
Nose and Lips
4D Ultrasound
4D Ultrasound
Male and Female
Male and Female
Glucose and Water Absorption
Glucose and Water Absorption
Weight Gain
Weight Gain
Taste Buds
Taste Buds
Free resources and training for educators
Buy the Biology of Prenatal Development DVD